Year % of female population 1960 13.6618360784381 1961 13.6812769191791 1962 13.731074684089 1963 13.7902102093103 1964 13.8795554406823 1965 13.9956500192721 1966 14.1405750377447 1967 14.3219520813746 1968 14.5239460421885 1969 14.7529321951558 1970 14.8211243611584 1971 14.6815262397166 1972 14.5183858213464 1973 14.3563048714164 1974 14.0401029945462 1975 13.5796952500112 1976 13.1255989065244 1977 12.6482006335294 1978 12.1271642320271 1979 11.7098620916706 1980 11.3838054537872 1981 11.1136508494692 1982 10.929738013448 1983 10.7452609930632 1984 10.5650244192186 1985 10.4378109854278 1986 10.3214422465825 1987 10.2131013274405 1988 10.2075869296278 1989 10.2428542318878 1990 10.240926646538 1991 10.2283052955283 1992 10.1666137900018 1993 10.0492026309598 1994 9.99779541446208 1995 9.96395924117821 1996 9.94875885783398 1997 10.0998321909042 1998 10.3279167132546 1999 10.4028856147215 2000 10.3551017091471 2001 10.2097686497255 2002 9.92093070840823 2003 9.60747135710828 2004 9.33565470290351 2005 9.11083368788768 2006 8.95329339996249 2007 8.84999497529748 2008 8.77065839439482 2009 8.72052763918327 2010 8.61023312737088 2011 8.45358240791419 2012 8.34439195286374 2013 8.27299430052591 2014 8.20403178055856 2015 8.00295324599509 2016 7.64572072947855 2017 7.25248037623657 2018 6.78540792017223 2019 6.33002957492274 2020 6.06655328343528 2021 5.91535997143904 2022 5.73479045508985 2023 5.59878754733246